On 11/12/2015 08:54 AM, yalin wang wrote:
Move node_id zone_idx shrink flags into trace function, so thay we don't need caculate these args if the trace is disabled, and will make this function have less arguments. Signed-off-by: yalin wang <yalin.wang2010@xxxxxxxxx> --- include/trace/events/vmscan.h | 14 +++++++------- mm/vmscan.c | 7 ++----- 2 files changed, 9 insertions(+), 12 deletions(-) diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h index dae7836..f8d6b34 100644 --- a/include/trace/events/vmscan.h +++ b/include/trace/events/vmscan.h @@ -352,11 +352,11 @@ TRACE_EVENT(mm_vmscan_writepage, TRACE_EVENT(mm_vmscan_lru_shrink_inactive, - TP_PROTO(int nid, int zid, - unsigned long nr_scanned, unsigned long nr_reclaimed, - int priority, int reclaim_flags), + TP_PROTO(struct zone *zone, + unsigned long nr_scanned, unsigned long nr_reclaimed, + int priority, int file), - TP_ARGS(nid, zid, nr_scanned, nr_reclaimed, priority, reclaim_flags), + TP_ARGS(zone, nr_scanned, nr_reclaimed, priority, file), TP_STRUCT__entry( __field(int, nid) @@ -368,12 +368,12 @@ TRACE_EVENT(mm_vmscan_lru_shrink_inactive, ), TP_fast_assign( - __entry->nid = nid; - __entry->zid = zid; + __entry->nid = zone->zone_pgdat->node_id;
While at it, convert it to zone_to_nid()? It's not just encapsulation, but also one less pointer dereference.
Then you can add my Acked-by. Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>